2478748 has 6 divisors (see below), whose sum is σ = 4337816. Its totient is φ = 1239372.

The previous prime is 2478743. The next prime is 2478761. The reversal of 2478748 is 8478742.

It is a happy number.

2478748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2478748² = 12288383295008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309840 + ... + 309847.

2^2478748 is an apocalyptic number.

It is an amenable number.

2478748 is a deficient number, since it is larger than the sum of its proper divisors (1859068).

2478748 is a wasteful number, since it uses less digits than its factorization.

2478748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619691 (or 619689 counting only the distinct ones).

The product of its digits is 100352, while the sum is 40.

The square root of 2478748 is about 1574.4040142225. The cubic root of 2478748 is about 135.3352072238.

The spelling of 2478748 in words is "two million, four hundred seventy-eight thousand, seven hundred forty-eight".